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4.2/x=7/5
We move all terms to the left:
4.2/x-(7/5)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
4.2/x-(+7/5)=0
We get rid of parentheses
4.2/x-7/5=0
We calculate fractions
There is no solution for this equation
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